带有 R 的甘特图 - 无法使用 DiagrammeR 和 R Studio 输出



OS: Windows 7,R 版本: 3.4.3,R 工作室:1.1.383

下面的代码利用R的DiagrammeR包生成了一个很好的甘特图。我在导出此包的输出时遇到问题。在R Studio中,我可以单击Zoom,并出现甘特图的全屏图像。然后我继续Export > Copy to Clipboard,当我粘贴时,我会将这个奇怪的裁剪版本的图像粘贴到我的目的地。

裁剪的奇怪之处在于它拍摄了实际图像的部分屏幕截图以及我的R Studio会话的一部分,并将两者加在一起。就像坐标关闭一样。我也尝试了Export > Save as Image,但发生了同样的问题。错误??我以同样的方式从 ggplot2 输出许多图形,但这永远不会发生。

我的临时解决方案是使用 Windows 的截图工具来拍摄我自己的"缩放"屏幕截图,但这并不可取。DiagrammeR使用美人鱼降价,不管这意味着什么,为了它的价值。

library(DiagrammeR)
mermaid("
gantt
dateFormat  YYYY-MM-DD
title A Very Nice Gantt Diagram
section Basic Tasks
This is completed             :done,          first_1,    2014-01-06, 2014-01-08
This is active                :active,        first_2,    2014-01-09, 3d
Do this later                 :               first_3,    after first_2, 5d
Do this after that            :               first_4,    after first_3, 5d
section Important Things
Completed, critical task      :crit, done,    import_1,   2014-01-06,24h
Also done, also critical      :crit, done,    import_2,   after import_1, 2d
Doing this important task now :crit, active,  import_3,   after import_2, 3d
Next critical task            :crit,          import_4,   after import_3, 5d
section The Extras
First extras                  :active,        extras_1,   after import_4,  3d
Second helping                :               extras_2,   after extras_1, 20h
More of the extras            :               extras_3,   after extras_1, 48h
")

您可以先将 html 小部件另存为 html 文件,然后使用 webshot 将其另存为 png 文件。

htmlwidgets::saveWidget(m, file="m.html")
webshot::webshot("m.html", "m.png")

数据:

library(DiagrammeR)
m <- mermaid("
    gantt
    dateFormat  YYYY-MM-DD
    title A Very Nice Gantt Diagram
    section Basic Tasks
    This is completed             :done,          first_1,    2014-01-06, 2014-01-08
    This is active                :active,        first_2,    2014-01-09, 3d
    Do this later                 :               first_3,    after first_2, 5d
    Do this after that            :               first_4,    after first_3, 5d
    section Important Things
    Completed, critical task      :crit, done,    import_1,   2014-01-06,24h
    Also done, also critical      :crit, done,    import_2,   after import_1, 2d
    Doing this important task now :crit, active,  import_3,   after import_2, 3d
    Next critical task            :crit,          import_4,   after import_3, 5d
    section The Extras
    First extras                  :active,        extras_1,   after import_4,  3d
    Second helping                :               extras_2,   after extras_1, 20h
    More of the extras            :               extras_3,   after extras_1, 48h
    ")

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